andrew a0c18fcde6 Stop enabling interrupts when reentering kdb on arm64
When we raise a data abort from the kernel we need to enable interrupts,
however we shouldn't be doing this when in the kernel debugger. In this
case interrupts can lead to a further panic as they don't expect to be
run from such a context.

MFC after:	2 weeks
Sponsored by:	DARPA, AFRL
2019-10-23 13:21:15 +00:00
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